72305704

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{210191}}^1$

素因数の和:210240

約数の個数: 16

約数和(自身を含む): 138726720

約数和(自身を除く): 66421016

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 210191, 420382, 840764, 1681528, 9038213, 18076426, 36152852, 72305704]

約数ペア:

[(1, 72305704), (2, 36152852), (4, 18076426), (8, 9038213), (43, 1681528), (86, 840764), (172, 420382), (344, 210191)]